Self-piercing clinch nut



FIG. 1 is a perspective view of a self-piercing clinch nut including aplurality of lugs angularly spaced about a central pilot, showing ournew design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a vertical cross-sectional view taken along line 3—3 of FIG.2;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a side elevational view.

The ornamental design for a self-piercing clinch nut, as shown anddescribed.